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Figure 2: (a): Section shows mucous glands (upper half of field) and nasal lining epithelium (arrow) with underlying tumor (Hematoxylin and Eosin, ×100). (b): Section from the tumor shows tubuloalveolar aggregates of atypical cells. (Hematoxylin and Eosin, ×200). (c): The tumor cells stain positively for pan-cytokeratin (Diaminobenzidine, ×200). (d): The tumor cells stain positively for CD-10 (Diaminobenzidine, ×200)

Figure 2: (a): Section shows mucous glands (upper half of field) and nasal lining epithelium (arrow) with underlying tumor (Hematoxylin and Eosin, ×100). (b): Section from the tumor shows tubuloalveolar aggregates of atypical cells. (Hematoxylin and Eosin, ×200). (c): The tumor cells stain positively for pan-cytokeratin (Diaminobenzidine, ×200). (d): The tumor cells stain positively for CD-10 (Diaminobenzidine, ×200)